The Micro USB Flash Drive is lightweight and compact. Weighing a tiny 1.2g, and only 2.35mm thick, it is small in size but not in capacity! Simply drag and drop your folders and files. - Capacity: 4GB- Dimensions: 30 (L) x 2 (H) x 12 (W) mm- Minimum Read Speed: 10MB/sec - Minimum Write Speed: 4MB/secImportant Information:The Micro USB Drive should be inserted into the standard USB port, but due to Chip on Board technology, it should be inserted facing upwards. If inserted incorrectly the drive will not be recognized.